/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/match-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 22:55:41,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 22:55:41,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 22:55:41,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-09 22:55:41,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-09 22:55:41,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-09 22:55:41,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-09 22:55:41,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-09 22:55:41,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-09 22:55:41,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-09 22:55:41,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-09 22:55:41,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-09 22:55:41,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-09 22:55:41,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-09 22:55:41,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-09 22:55:41,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-09 22:55:41,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-09 22:55:41,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-09 22:55:41,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-09 22:55:41,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-09 22:55:41,329 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf [2021-07-09 22:55:41,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 22:55:41,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 22:55:41,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 22:55:41,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 22:55:41,357 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 22:55:41,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 22:55:41,357 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 22:55:41,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 22:55:41,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 22:55:41,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 22:55:41,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 22:55:41,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 22:55:41,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 22:55:41,359 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 22:55:41,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 22:55:41,359 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 22:55:41,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 22:55:41,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 22:55:41,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 22:55:41,359 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 22:55:41,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 22:55:41,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 22:55:41,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 22:55:41,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 22:55:41,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 22:55:41,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 22:55:41,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 22:55:41,360 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 22:55:41,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 22:55:41,360 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-09 22:55:41,360 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 22:55:41,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 22:55:41,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 22:55:41,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 22:55:41,690 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-09 22:55:41,690 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-09 22:55:41,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/match-trans.wvr.bpl [2021-07-09 22:55:41,691 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/match-trans.wvr.bpl' [2021-07-09 22:55:41,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 22:55:41,708 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-09 22:55:41,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 22:55:41,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 22:55:41,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 22:55:41,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 10:55:41" (1/1) ... [2021-07-09 22:55:41,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 10:55:41" (1/1) ... [2021-07-09 22:55:41,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 22:55:41,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 22:55:41,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 22:55:41,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 22:55:41,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 10:55:41" (1/1) ... [2021-07-09 22:55:41,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 10:55:41" (1/1) ... [2021-07-09 22:55:41,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 10:55:41" (1/1) ... [2021-07-09 22:55:41,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 10:55:41" (1/1) ... [2021-07-09 22:55:41,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 10:55:41" (1/1) ... [2021-07-09 22:55:41,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 10:55:41" (1/1) ... [2021-07-09 22:55:41,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 10:55:41" (1/1) ... [2021-07-09 22:55:41,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 22:55:41,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 22:55:41,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 22:55:41,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 22:55:41,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 10:55:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 22:55:41,808 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-09 22:55:41,808 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-09 22:55:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-09 22:55:41,809 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-09 22:55:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-09 22:55:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-09 22:55:41,809 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-09 22:55:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 22:55:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 22:55:41,809 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-09 22:55:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-09 22:55:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-09 22:55:41,810 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 22:55:41,968 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 22:55:41,969 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-09 22:55:41,970 INFO L202 PluginConnector]: Adding new model match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 10:55:41 BoogieIcfgContainer [2021-07-09 22:55:41,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 22:55:41,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 22:55:41,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 22:55:41,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 22:55:41,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 10:55:41" (1/2) ... [2021-07-09 22:55:41,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d3cd9a and model type match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 10:55:41, skipping insertion in model container [2021-07-09 22:55:41,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 10:55:41" (2/2) ... [2021-07-09 22:55:41,979 INFO L111 eAbstractionObserver]: Analyzing ICFG match-trans.wvr.bpl [2021-07-09 22:55:41,983 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 22:55:41,983 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 22:55:41,983 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-09 22:55:41,983 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 22:55:42,044 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-09 22:55:42,076 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-07-09 22:55:42,088 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 22:55:42,104 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 22:55:42,105 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 22:55:42,105 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 22:55:42,105 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 22:55:42,105 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 22:55:42,105 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 22:55:42,105 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 22:55:42,203 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 36 states have (on average 1.5) internal successors, (54), 54 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:55:42,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-07-09 22:55:42,207 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:55:42,208 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:55:42,208 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 22:55:42,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:55:42,212 INFO L82 PathProgramCache]: Analyzing trace with hash -244673884, now seen corresponding path program 1 times [2021-07-09 22:55:42,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:55:42,225 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582509056] [2021-07-09 22:55:42,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:55:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:55:42,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:55:42,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:55:42,547 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 54 [2021-07-09 22:55:42,549 INFO L142 QuantifierPusher]: treesize reduction 6755, result has 2.8 percent of original size [2021-07-09 22:55:42,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-07-09 22:55:42,747 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2021-07-09 22:55:42,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:55:42,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:55:42,785 INFO L142 QuantifierPusher]: treesize reduction 5, result has 70.6 percent of original size [2021-07-09 22:55:42,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-09 22:55:42,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:55:42,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:55:42,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:55:42,801 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:55:42,801 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582509056] [2021-07-09 22:55:42,802 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582509056] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:55:42,802 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:55:42,802 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-09 22:55:42,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857721763] [2021-07-09 22:55:42,806 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-09 22:55:42,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:55:42,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-09 22:55:42,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-09 22:55:42,820 INFO L87 Difference]: Start difference. First operand has 55 states, 36 states have (on average 1.5) internal successors, (54), 54 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:55:42,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:55:42,982 INFO L93 Difference]: Finished difference Result 53 states and 52 transitions. [2021-07-09 22:55:42,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 22:55:42,983 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-07-09 22:55:42,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:55:42,987 INFO L225 Difference]: With dead ends: 53 [2021-07-09 22:55:42,988 INFO L226 Difference]: Without dead ends: 0 [2021-07-09 22:55:42,989 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 335.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-07-09 22:55:42,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-09 22:55:43,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-09 22:55:43,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:55:43,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-09 22:55:43,004 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2021-07-09 22:55:43,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:55:43,004 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-09 22:55:43,005 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:55:43,005 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-09 22:55:43,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-09 22:55:43,005 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-09 22:55:43,007 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-09 22:55:43,008 INFO L202 PluginConnector]: Adding new model match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.07 10:55:43 BasicIcfg [2021-07-09 22:55:43,008 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-09 22:55:43,010 INFO L168 Benchmark]: Toolchain (without parser) took 1300.31 ms. Allocated memory is still 177.2 MB. Free memory was 156.9 MB in the beginning and 78.5 MB in the end (delta: 78.4 MB). Peak memory consumption was 78.9 MB. Max. memory is 8.0 GB. [2021-07-09 22:55:43,010 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 177.2 MB. Free memory is still 158.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 22:55:43,011 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.52 ms. Allocated memory is still 177.2 MB. Free memory was 156.9 MB in the beginning and 155.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-09 22:55:43,012 INFO L168 Benchmark]: Boogie Preprocessor took 19.92 ms. Allocated memory is still 177.2 MB. Free memory was 155.4 MB in the beginning and 154.5 MB in the end (delta: 925.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-09 22:55:43,013 INFO L168 Benchmark]: RCFGBuilder took 216.64 ms. Allocated memory is still 177.2 MB. Free memory was 154.4 MB in the beginning and 143.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-07-09 22:55:43,013 INFO L168 Benchmark]: TraceAbstraction took 1037.04 ms. Allocated memory is still 177.2 MB. Free memory was 143.4 MB in the beginning and 78.5 MB in the end (delta: 64.9 MB). Peak memory consumption was 65.3 MB. Max. memory is 8.0 GB. [2021-07-09 22:55:43,019 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 177.2 MB. Free memory is still 158.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.52 ms. Allocated memory is still 177.2 MB. Free memory was 156.9 MB in the beginning and 155.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.92 ms. Allocated memory is still 177.2 MB. Free memory was 155.4 MB in the beginning and 154.5 MB in the end (delta: 925.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 216.64 ms. Allocated memory is still 177.2 MB. Free memory was 154.4 MB in the beginning and 143.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1037.04 ms. Allocated memory is still 177.2 MB. Free memory was 143.4 MB in the beginning and 78.5 MB in the end (delta: 64.9 MB). Peak memory consumption was 65.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 56, positive: 56, positive conditional: 56, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 56, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 56, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 24, unknown conditional: 0, unknown unconditional: 24] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0 - PositiveResult [Line: 50]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 919.2ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 6.6ms, AutomataDifference: 181.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 95.9ms, PartialOrderReductionTime: 85.9ms, HoareTripleCheckerStatistics: 18 SDtfs, 12 SDslu, 24 SDs, 0 SdLazy, 14 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 335.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 6.0ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 10.5ms SsaConstructionTime, 45.8ms SatisfiabilityAnalysisTime, 477.0ms InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...